org.apache.oro.text

Class PatternCacheLRU

public final class PatternCacheLRU extends GenericPatternCache

This class is a GenericPatternCache subclass implementing an LRU (Least Recently Used) cache replacement policy. In other words, patterns are added to the cache until it becomes full. Once the cache is full, when a new pattern is added to the cache, it replaces the least recently used pattern currently in the cache. This is probably the best general purpose pattern cache replacement policy.

Since: 1.0

Version: 2.0.8

See Also: GenericPatternCache

Constructor Summary
PatternCacheLRU(int capacity, PatternCompiler compiler)
Creates a PatternCacheLRU instance with a given cache capacity, and initialized to use a given PatternCompiler instance as a pattern compiler.
PatternCacheLRU(PatternCompiler compiler)
Same as:
 PatternCacheLRU(GenericPatternCache.DEFAULT_CAPACITY, compiler);
 
PatternCacheLRU(int capacity)
Same as:
 PatternCacheLRU(capacity, new Perl5Compiler());
 
PatternCacheLRU()
Same as:
 PatternCacheLRU(GenericPatternCache.DEFAULT_CAPACITY);
 

Constructor Detail

PatternCacheLRU

public PatternCacheLRU(int capacity, PatternCompiler compiler)
Creates a PatternCacheLRU instance with a given cache capacity, and initialized to use a given PatternCompiler instance as a pattern compiler.

Parameters: capacity The capacity of the cache. compiler The PatternCompiler to use to compile patterns.

PatternCacheLRU

public PatternCacheLRU(PatternCompiler compiler)
Same as:
 PatternCacheLRU(GenericPatternCache.DEFAULT_CAPACITY, compiler);
 

PatternCacheLRU

public PatternCacheLRU(int capacity)
Same as:
 PatternCacheLRU(capacity, new Perl5Compiler());
 

PatternCacheLRU

public PatternCacheLRU()
Same as:
 PatternCacheLRU(GenericPatternCache.DEFAULT_CAPACITY);
 
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